CN107765276A - A kind of indoor locating system based on Beidou navigation - Google Patents
A kind of indoor locating system based on Beidou navigation Download PDFInfo
- Publication number
- CN107765276A CN107765276A CN201710832246.9A CN201710832246A CN107765276A CN 107765276 A CN107765276 A CN 107765276A CN 201710832246 A CN201710832246 A CN 201710832246A CN 107765276 A CN107765276 A CN 107765276A
- Authority
- CN
- China
- Prior art keywords
- big dipper
- module
- generation apparatus
- system based
- signal generation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
Abstract
The invention discloses a kind of indoor locating system based on Beidou navigation, including mobile terminal, virtual Big Dipper signal generation apparatus, wireless communication module, route device and server, the server is docked by wireless communication module with multiple virtual Big Dipper signal generation apparatus.The present invention is a kind of indoor locating system based on Beidou navigation, the type signal similar with triones navigation system is sent by virtual Big Dipper signal generation apparatus, and the working frequency points of the present invention, multi-access mode, modulation system, text structure and spreading code are identical with triones navigation system, simply navigation message content is modified, so as to compatible with existing Beidou navigation satellite-signal to greatest extent, so as to which the existing mobile terminal of user can use as usual, the upgrading for only needing to carry out firmware and software can be carried out indoor positioning operation, so as to which indoor and outdoor positioning can be with seamless transitions, so as to which user's actual use is more convenient, and more exchange device need not be carried out.
Description
Technical field
The present invention relates to indoor positioning field, more particularly, to a kind of indoor locating system based on Beidou navigation.
Background technology
Global position system is global positioning system.Briefly, this is one and is made up of 24 satellites covering the whole world
Satellite system.This system can ensure that at any time any point can observe 4 satellites simultaneously on the earth,
To ensure that satellite can collect the longitude and latitude and height of the observation station, to realize the functions such as navigation, positioning, time service.It is existing
Indoor locating system carries out indoor positioning using satellite mostly, and because satellite distance ground is too remote, and signal is in transmitting procedure
It can be influenceed by building, so as to which after user gets in, the signal that mobile terminal receives is weaker, or does not receive
Signal, so as to which position error is larger when carrying out indoor positioning, or even indoor positioning can not be carried out, so as to which user can not learn certainly
The location of oneself, so as to meet actual demand, and existing alignment system does not realize the seamless transitions of indoor and outdoor positioning,
Need to carry out numerous and diverse operation when turning to outdoor positioning by indoor positioning, so as to increase burden for users, and existing indoor heating system
Single mobile terminal is needed to carry out signal reception, the original mobile terminal of user can not use, so as to increase user's expenditure.
The content of the invention
It is an object of the invention to provide a kind of indoor locating system based on Beidou navigation, to solve above-mentioned background technology
Position error is larger during the indoor positioning of middle proposition, and existing alignment system does not realize the seamless transitions of indoor and outdoor positioning, existing
Indoor heating system the problem of needing single mobile terminal to carry out signal reception.
To achieve the above object, the present invention provides following technical scheme：A kind of indoor locating system based on Beidou navigation,
Including mobile terminal, virtual Big Dipper signal generation apparatus, wireless communication module, route device and server, the server leads to
Cross wireless communication module dock with multiple virtual Big Dipper signal generation apparatus, and generation is from virtual Big Dipper signal generation apparatus to shifting
The navigation message content that dynamic terminal is sent, virtual Big Dipper signal generation apparatus dock with mobile terminal, and the server passes through road
It is connected by device with mobile terminal, the mobile terminal includes Big Dipper signal receiving module, high amplification module, down conversion module, AD
Sampling module, baseband processing module, location Calculation module, ARM controller, data storage, wireless connector and LCD display dresses
Put, the Big Dipper signal receiving module and virtual Big Dipper signal generation apparatus wireless connection, and the Big Dipper signal receiving module
It is connected with high amplification module, high amplification module is connected with down conversion module, and down conversion module is connected with AD sampling modules, AD sampling modules
Be connected with baseband processing module, baseband processing module is connected with location Calculation module, and location Calculation module, data storage,
LCD display device and wireless connector are coupled with ARM controller, and the wireless connector is connected with route device.
Preferential：Protective cover is provided with outside the virtual Big Dipper signal generation apparatus, and the virtual Big Dipper signal occurs
Device is fixedly connected by attachment means with indoor ceiling.
Preferential：The LCD is shown passes through signal including processor, signal transmitting apparatus and display screen, the display screen
Transmitting device connects with processing, and processor couples with ARM controller.
Preferential：The quantity of every layer of installation of the virtual Big Dipper signal generation apparatus is multiple.
Preferential：The route device includes housing, heat abstractor and wireless network signal generating means, and described wireless
Network signal generating means is in housing, and heat abstractor is fixedly connected with the outer surface of housing, and the housing offer it is more
The different heat emission hole of individual shape size.
Preferential：The display screen is touch screen, and display screen surface is provided with diaphragm.
Preferential：The ARM controller is also associated with USB peripheral, and USB peripheral includes keyboard and mouse, and at USB interface
Provided with dust board.
Preferential：The server is in confined space, and be provided with confined space heat abstractor, humidity detector and
Electrostatic precipitator.
Preferential：The mobile terminal is smart mobile phone, tablet personal computer.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is a kind of indoor positioning based on Beidou navigation
System, the type signal similar with triones navigation system, and the work frequency of the present invention are sent by virtual Big Dipper signal generation apparatus
Point, modulation system, multi-access mode, text structure and spreading code are identical with triones navigation system, and simply navigation message content is entered
Gone modification, so as to compatible with existing Beidou navigation satellite-signal to greatest extent, so as to user it is existing it is mobile eventually
End can use as usual, it is only necessary to which the upgrading for carrying out firmware and software can be carried out indoor positioning operation, so as to indoor and outdoor
Positioning so as to which user's actual use is more convenient, and can need not carry out more exchange device, so as to reduce user with seamless transitions
Branch；The present invention installs multiple virtual Big Dipper signal generation apparatus in each floor simultaneously, is carried out so as to more whole floors complete
Covering, positioning blind area will not be produced, so as to be impacted to the actual use of user, so as to lift the satisfaction of user,
And virtual Big Dipper signal generation apparatus is arranged on ceiling, so as to the navigation be advantageous to and virtual Big Dipper signal generation apparatus is sent
The propagation of text, so that the signal that user can receive is stronger, so as to more accurately carry out indoor positioning to user；This
Route device in invention carries radiator, the too high damage to caused by route device of temperature can be prevented, so as to improve
The service life of route device, while the server of the present invention is in closed space, and confined space carries heat abstractor
Dehydrating unit and electrostatic precipitator, so as to allow server to be worked in safer environment, so as to lower server
The probability of failure is produced, so as to reduce maintenance cost, and improves the service life of server.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart of the indoor locating system based on Beidou navigation proposed by the present invention.
Fig. 2 is the structured flowchart of mobile terminal in a kind of indoor locating system based on Beidou navigation proposed by the present invention.
Fig. 3 is the structural frames of LCD display device in a kind of indoor locating system based on Beidou navigation proposed by the present invention
Figure.
Fig. 4 is a kind of scheme of installation of the indoor locating system based on Beidou navigation proposed by the present invention.
Fig. 5 is that the mounting structure of mobile terminal in a kind of indoor locating system based on Beidou navigation proposed by the present invention shows
It is intended to.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~5, in the embodiment of the present invention, a kind of indoor locating system based on Beidou navigation, including it is mobile eventually
End, virtual Big Dipper signal generation apparatus, wireless communication module, route device and server, the server pass through radio communication
Module is docked with multiple virtual Big Dipper signal generation apparatus, and is generated and sent from virtual Big Dipper signal generation apparatus to mobile terminal
Navigation message content, virtual Big Dipper signal generation apparatus docks with mobile terminal, so as to which mobile terminal can receive virtual north
Struggled against signal generation apparatus navigation message, and the server be connected by route device with mobile terminal, thus mobile terminal handle from
Information is contrasted in navigation message and server that virtual Big Dipper signal generation apparatus receives, so as to carry out to movement
Braking terminal is positioned, i.e., user is positioned, so as to allow user clearly to understand in strange indoor environment
The location of oneself, the route of oneself is planned so as to more convenient, more excellent, so as to facilitate the life of user, the shifting
Dynamic terminal includes Big Dipper signal receiving module, high amplification module, down conversion module, AD sampling modules, baseband processing module, positioning meter
Calculate module, ARM controller, data storage, wireless connector and LCD display device, the Big Dipper signal receiving module and void
Intend Big Dipper signal generation apparatus wireless connection, and the Big Dipper signal receiving module is connected with high amplification module, high amplification module is with
Frequency-variable module is connected, and down conversion module is connected with AD sampling modules, and AD sampling modules are connected with baseband processing module, Base-Band Processing
Module is connected with location Calculation module, and location Calculation module, data storage, LCD display device and wireless connector with
ARM controller couples, and is sent out so as to which mobile terminal can receive virtual Big Dipper signal generation apparatus by Big Dipper signal receiving module
The navigation message gone out, and being handled by descending modules, finally passes to ARM controller, the wireless connector with
Route device connects, so as to which mobile terminal can be connected with route device, so as to which mobile terminal passes through route device and server
It is attached, so as to carry out data comparison, after data comparison, then information is passed to by ARM controller by LCD display dresses
Put, so as to which user can be clear that the three-dimensional coordinate of oneself present position by display screen, so as to be realized to user
Positioning, and location data is stored by data storage.
Protective cover is provided with outside the virtual Big Dipper signal generation apparatus, so as to allow virtual Big Dipper signal generation apparatus
The environment closed in one, so as to prevent debris, dust etc. from entering virtual Big Dipper signal generation apparatus, so as to void
Intend Big Dipper signal generation apparatus and play protective action, and the virtual Big Dipper signal generation apparatus passes through attachment means and indoor day
Card is fixedly connected, so as to be advantageous to the propagation for the virtual Big Dipper signal that virtual Big Dipper signal generation apparatus is sent, so as to allow use
The virtual Beidou signal information that the mobile terminal at family receives is stronger, so as to faster more accurately determine customer location
Position.
The LCD is shown passes through signal transmitting apparatus including processor, signal transmitting apparatus and display screen, the display screen
It is connected with processor, and processor couples with ARM controller, after being handled so as to location information by processor, then by signal
Transmitting device can be shown on a display screen, and the position of oneself is can see so as to which user can see the mobile terminal of oneself
Put, so as to facilitate user to move the selection in direction.
The quantity of every layer of installation of the virtual Big Dipper signal generation apparatus is multiple, so as to form multiple areas of coverage
Domain, the combination of multiple overlay areas, so as to carry out all standing to whole floor, so as to prevent positioning the generation of blind area, from
And system defect can be reduced, and user will not be actually used and impacted, so as to lift user satisfaction.
The route device includes housing, heat abstractor and wireless network signal generating means, and the wireless network is believed
Number generating means is in housing, and heat abstractor is fixedly connected with the outer surface of housing, and the housing offers multiple shapes
Heat emission hole of different sizes, so as to be radiated by heat abstractor and heat emission hole to whole route device, so as to
The too high damage to caused by route device of temperature is prevented, so as to increase the service life of route device.
The display screen is touch screen, and so as to facilitate user to be operated, reduction uses difficulty, and display screen surface
It provided with diaphragm, can prevent touch-screen from scratching, preferably touch-screen can be protected.
The ARM controller is also associated with USB peripheral, and USB peripheral includes keyboard and mouse, and mouse uses wireless mouse,
So as to facilitate user to carry, and dust board is provided with USB interface, so as to prevent the impurity such as dust from entering USB interface, so as to
USB interface failure caused by dust reason can be prevented, so as to reduce the fault rate of USB interface.
The server is in confined space, and is removed in confined space provided with heat abstractor, humidity detector and electrostatic
Dirt device, so as to prevent server from entering dust, so as to prevent dust from being impacted to the electronic component in server, and
The installation of heat abstractor, humidity detector and electrostatic precipitator can be detected and located to the working environment of server
Reason, so as to allow server to be worked in safer working environment, so as to reduce the probability that server produces failure, increase clothes
The service life of business device, and server can preferably be supervised.
The mobile terminal can be smart mobile phone, tablet personal computer or other smart machines, and the species of mobile terminal is not
It is limited, so as to more easily allow user to understand the positional information of oneself, and the species of mobile terminal is not limited, and anti-
It can only allow the scope of application of system wider.
Operation principle：Server is docked with wireless communication module and generated from virtual Big Dipper signal generation apparatus to shifting first
The navigation message content that dynamic terminal is sent, the multiple virtual Big Dipper signal generation apparatus being then fitted into each floor, which are sent, leads
Avionics text, then the mobile terminal of user receives navigation message by the Big Dipper signal receiving module in mobile terminal, then
ARM controller is passed to through too high amplification module, down conversion module, AD sampling modules, baseband processing module, location Calculation module again,
Then it is connected again by the wireless connector in mobile terminal with route device, so as to which mobile terminal can connect with route device
Connect, so as to which mobile terminal can be attached with server, so as to which the data in the navigation message and server of reception are carried out
Compare, after contrast, then the three-dimensional coordinate of user is shown by the display screen in LCD display device, so as to user
Positioned, and used and triones navigation system identical working frequency points, multi-access mode, modulation system, text structure and spread spectrum
Code, it need not change so as to customer mobile terminal, if carry out firmware and software upgrading can be achieved indoor positioning, and can be with
Realization is the seamless transitions of indoor and outdoor positioning.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (9)
1. a kind of indoor locating system based on Beidou navigation, including mobile terminal, virtual Big Dipper signal generation apparatus, channel radio
Interrogate module, route device and server, it is characterised in that：The server is believed by wireless communication module and multiple virtual Big Dippeves
The docking of number generating means, and the navigation message content sent from virtual Big Dipper signal generation apparatus to mobile terminal is generated, virtually
Big Dipper signal generation apparatus is docked with mobile terminal, and the server is connected by route device with mobile terminal, the movement
Terminal includes Big Dipper signal receiving module, high amplification module, down conversion module, AD sampling modules, baseband processing module, location Calculation
Module, ARM controller, data storage, wireless connector and LCD display device, the Big Dipper signal receiving module with it is virtual
Big Dipper signal generation apparatus wireless connection, and the Big Dipper signal receiving module is connected with high amplification module, high amplification module and lower change
Frequency module is connected, and down conversion module is connected with AD sampling modules, and AD sampling modules are connected with baseband processing module, Base-Band Processing mould
Block is connected with location Calculation module, and location Calculation module, data storage, LCD display device and wireless connector are and ARM
Controller is coupled, and the wireless connector is connected with route device.
A kind of 2. indoor locating system based on Beidou navigation according to claim 1, it is characterised in that：The virtual north
Protective cover is provided with outside bucket signal generation apparatus, and the virtual Big Dipper signal generation apparatus passes through attachment means and indoor ceiling
Plate is fixedly connected.
A kind of 3. indoor locating system based on Beidou navigation according to claim 1, it is characterised in that：The LCD shows
Show and connected including processor, signal transmitting apparatus and display screen, the display screen by signal transmitting apparatus and processing, and handle
Device couples with ARM controller.
A kind of 4. indoor locating system based on Beidou navigation according to claim 1 or 2, it is characterised in that：The void
The quantity for intending the every layer of installation of Big Dipper signal generation apparatus is multiple.
A kind of 5. indoor locating system based on Beidou navigation according to claim 1, it is characterised in that：The route dress
Put including housing, heat abstractor and wireless network signal generating means, and the wireless network signal generating means is in housing
Interior, heat abstractor is fixedly connected with the outer surface of housing, and the housing offers the different heat emission hole of multiple shape sizes.
A kind of 6. indoor locating system based on Beidou navigation according to claim 3, it is characterised in that：The display screen
For touch screen, and display screen surface is provided with diaphragm.
A kind of 7. indoor locating system based on Beidou navigation according to claim 1, it is characterised in that：The ARM controls
Device processed is also associated with USB peripheral, and USB peripheral includes keyboard and mouse, and dust board is provided with USB interface.
A kind of 8. indoor locating system based on Beidou navigation according to claim 1, it is characterised in that：The server
In confined space, and heat abstractor, humidity detector and electrostatic precipitator are provided with confined space.
A kind of 9. indoor locating system based on Beidou navigation according to claim 1, it is characterised in that：It is described mobile whole
End is smart mobile phone, tablet personal computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832246.9A CN107765276A (en) | 2017-09-15 | 2017-09-15 | A kind of indoor locating system based on Beidou navigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832246.9A CN107765276A (en) | 2017-09-15 | 2017-09-15 | A kind of indoor locating system based on Beidou navigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107765276A true CN107765276A (en) | 2018-03-06 |
Family
ID=61265708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710832246.9A Pending CN107765276A (en) | 2017-09-15 | 2017-09-15 | A kind of indoor locating system based on Beidou navigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107765276A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758240A (en) * | 2019-10-11 | 2020-02-07 | 深圳市律远汇智科技有限公司 | Dust removal type vehicle navigation device with acceleration test function |
| CN111025353A (en) * | 2019-12-25 | 2020-04-17 | 北斗天地股份有限公司 | Beidou navigation message processing method and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103582121A (en) * | 2013-11-21 | 2014-02-12 | 北京东方联星科技有限公司 | Indoor positioning system and method based on virtual Beidou satellite navigation signals |
| CN105571587A (en) * | 2016-01-16 | 2016-05-11 | 深圳先进技术研究院 | Big data collecting, monitoring and mapping system and method based on navigation airship |
| US20160195391A1 (en) * | 2015-01-06 | 2016-07-07 | Trx Systems, Inc. | Heading constraints in a particle filter |
| CN106066857A (en) * | 2016-05-20 | 2016-11-02 | 平顶山学院 | Geographic information data gathers display systems |
| CN205809311U (en) * | 2016-07-14 | 2016-12-14 | 烟台持久钟表有限公司 | Room territory time service alignment system based on the Big Dipper |
| CN106842264A (en) * | 2017-02-16 | 2017-06-13 | 南京大学 | Based on Android platform can seamless positioning system and localization method inside and outside communication room |
| CN107065512A (en) * | 2017-04-01 | 2017-08-18 | 航天恒星空间技术应用有限公司 | A kind of No. two positioning timing time service terminal installations of the Big Dipper |
-
2017
- 2017-09-15 CN CN201710832246.9A patent/CN107765276A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103582121A (en) * | 2013-11-21 | 2014-02-12 | 北京东方联星科技有限公司 | Indoor positioning system and method based on virtual Beidou satellite navigation signals |
| US20160195391A1 (en) * | 2015-01-06 | 2016-07-07 | Trx Systems, Inc. | Heading constraints in a particle filter |
| CN105571587A (en) * | 2016-01-16 | 2016-05-11 | 深圳先进技术研究院 | Big data collecting, monitoring and mapping system and method based on navigation airship |
| CN106066857A (en) * | 2016-05-20 | 2016-11-02 | 平顶山学院 | Geographic information data gathers display systems |
| CN205809311U (en) * | 2016-07-14 | 2016-12-14 | 烟台持久钟表有限公司 | Room territory time service alignment system based on the Big Dipper |
| CN106842264A (en) * | 2017-02-16 | 2017-06-13 | 南京大学 | Based on Android platform can seamless positioning system and localization method inside and outside communication room |
| CN107065512A (en) * | 2017-04-01 | 2017-08-18 | 航天恒星空间技术应用有限公司 | A kind of No. two positioning timing time service terminal installations of the Big Dipper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758240A (en) * | 2019-10-11 | 2020-02-07 | 深圳市律远汇智科技有限公司 | Dust removal type vehicle navigation device with acceleration test function |
| CN111025353A (en) * | 2019-12-25 | 2020-04-17 | 北斗天地股份有限公司 | Beidou navigation message processing method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9074898B2 (en) | Apparatus and method for providing position information service | |
| CN102938899A (en) | Optimization system for wifi communication at rail transit stations | |
| CN103069349A (en) | Intrinsically-safe handheld field maintenance tool with image and/or sound capture | |
| CN104519509A (en) | Wireless network monitoring device in wireless communication system, method used in wireless communication system and device in wireless communication system | |
| JP7223226B2 (en) | Installation candidate presentation method, installation candidate presentation device and program | |
| AU2002248416A2 (en) | Method and system for modeling and managing terrain, buildings, and infrastructure | |
| CN101322376A (en) | Visualisation of buddylist with localisation information | |
| US9554253B2 (en) | Locating method, drive test terminal and hand-held terminal | |
| CN105243602A (en) | Power marketing fitted sheet electrical connection system and working method therefor | |
| CN102564434A (en) | Method for offering location information and location information providing system | |
| CN107765276A (en) | A kind of indoor locating system based on Beidou navigation | |
| CN111147610A (en) | Satellite operation and control center system, server method and satellite system | |
| CN207946855U (en) | A kind of piping lane cruising inspection system | |
| JP2024504621A (en) | Installing repeaters for millimeter wave communication networks | |
| JP4295746B2 (en) | Line-of-sight determination method and apparatus between radio stations, line-of-sight determination program, and recording medium recording the program | |
| JP2013205226A (en) | Position correcting system, position correcting method, position information server, and program | |
| CN102289449A (en) | Location-based service and electronic map display methods and devices | |
| JP2013121063A (en) | Radio repeater installation support device, and radio repeater installation support method and program | |
| CN103903425A (en) | Taxi service system and method | |
| CN108917766B (en) | Navigation method and mobile terminal | |
| CN109191373A (en) | Navigation coordinate converts gauss projection and sits calibration method, system, equipment and medium | |
| CN109451578A (en) | A kind of localization method and device | |
| CN109379700A (en) | Localization method and mobile terminal | |
| CN109874169A (en) | A kind of localization method and system for Urban Underground pipe gallery | |
| TWI756528B (en) | Display system, display method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180306 |
|
| RJ01 | Rejection of invention patent application after publication |